Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
040053lightly pollutedexcellent111excellent
030054lightly pollutedexcellent111excellent
020049lightly pollutedexcellent81excellent
010049lightly pollutedexcellent61excellent
000060lightly pollutedexcellent81excellent
230057lightly pollutedexcellent81excellent
220068moderately pollutedexcellent91excellent
210072moderately pollutedexcellent121excellent
200065moderately pollutedexcellent121excellent
190057lightly pollutedexcellent111excellent
180049lightly pollutedexcellent91excellent
170049lightly pollutedexcellent91excellent
160045lightly pollutedexcellent101excellent
150041lightly pollutedexcellent101excellent
140048lightly pollutedexcellent121excellent
130051lightly pollutedgood131excellent
120053lightly pollutedexcellent121excellent
110048lightly pollutedexcellent121excellent
100045lightly pollutedexcellent111excellent
090052lightly pollutedexcellent111excellent
080045lightly pollutedexcellent101excellent
070046lightly pollutedexcellent81excellent
060044lightly pollutedexcellent81excellent
050048lightly pollutedexcellent91excellent